CVE-2023-35947 : Vulnerability Insights and Analysis

Gradle, a popular build automation tool, was found to have path traversal vulnerabilities when handling Tar archives. This vulnerability, identified as CVE-2023-35947, could lead to potential data disclosure and file overwriting under specific circumstances.

Understanding CVE-2023-35947

This section delves into the nature of the vulnerability and its possible impacts.

What is CVE-2023-35947?

CVE-2023-35947 refers to path traversal flaws within Gradle's processing of Tar archives. This type of vulnerability, also known as 'TarSlip,' can result in unauthorized access to sensitive files and data.

The Impact of CVE-2023-35947

The vulnerability in Gradle's interaction with Tar archives can allow malicious actors to overwrite critical files where the Gradle process possesses write permissions. This could potentially lead to the exposure of sensitive information contained within these files.

Technical Details of CVE-2023-35947

This section outlines the specific details related to the vulnerability affecting Gradle.

Vulnerability Description

In affected versions, Gradle fails to validate if files can be written outside the designated unpack location when processing Tar archives. This oversight could enable attackers to manipulate the build process to access unauthorized files.

Affected Systems and Versions

Gradle versions < 7.6.1 and >= 8.0, < 8.2 are impacted by this vulnerability.

Exploitation Mechanism

To exploit this vulnerability, attackers must control the source archive used by the build or introduce a malicious archive into the build process.

Mitigation and Prevention

This section focuses on the steps users and administrators can take to mitigate the risks associated with CVE-2023-35947.

Immediate Steps to Take

Users are strongly advised to update to Gradle versions 7.6.2 and 8.2 or newer, which include patches to address this vulnerability. It is crucial to ensure timely application of security updates to safeguard against exploitation.

Long-Term Security Practices

Regularly monitoring for security advisories and promptly applying patches is essential to maintain the integrity of the software environment. Reinforcing secure development practices and restricting access to sensitive files can also help prevent unauthorized access.

Patching and Updates

The recommended approach to addressing CVE-2023-35947 is to upgrade to Gradle versions 7.6.2 and 8.2 or later. These updated versions implement safeguards to prevent path traversal attacks involving Tar archives.